IV,916-919; Cicero, De nat. deor. II,2, 4; II,21, 54-55. Philo of Alexandria adopts the Stoic concept of nature governed by the universal logos, which is also nomos Opif. 3 and 143; Prob. 62, and of the cosmos as a state, of which human beings become citizens Opif. 3 and 143; cf. SVF II,1127-1131; he repeatedly insists on contemplation of the sky, which allows one to ascend to its cause see the passages cited in S. Lilla, Clement of Alexandria, 171 n. 2. The idea of a close relationship between contemplation of the stars and the existence of a creating and ordering principle recurs in Corp. Herm. V,3-4 Nock- Festugi¨re I,61, 8-10 and 22-23. In Middle Platonism, Alcinous says that astronomy makes it possible for one to pass from the sensible to the intelligible world and to attain an idea of the demiurge Did. 161, Hermann 22-28 and 30-32. Rome Map In Neoplatonism, Plotinus, arguing against the gnostics, who despised the material world and thought it the product of an inferior diety, celebrates the beauty, symmetry and order of the sensible world, and maintains that its contemplation cannot fail to inspire the judicious person with a religious feeling which brings him to believe in its cause Enn. II 9, 16 II 134, 49-135, 55 Brhier.